do you know w___ they will hold a party this weekend or not?该怎么填?
问题描述:
do you know w___ they will hold a party this weekend or not?该怎么填?
答
Do you know (whether,是否) they will hold a party this weekend or not?
你知道他们本周末是否举办聚会吗?
whether...or not,是或否.